Pair of emergency vehicle signal devices



FIG. 1 is a perspective view of a first embodiment of a pair of emergency vehicle signal devices;

FIG. 2 is a bottom plan view of FIG. 1;

FIG. 3 is a top plan view of FIG. 1;

FIG. 4 is a rear elevation view of FIG. 1;

FIG. 5 is a front elevation view of FIG. 1;

FIG. 6 is a left side elevation view of FIG. 1;

FIG. 7 is a right side elevation view of FIG. 1;

FIG. 8 is a perspective view of a second embodiment of a pair of emergency vehicle signal devices;

FIG. 9 is a bottom plan view of FIG. 8;

FIG. 10 is a top plan view of FIG. 8;

FIG. 11 is a rear elevation view of FIG. 8;

FIG. 12 is a front elevation view of FIG. 8;

FIG. 13 is a left side elevation view of FIG. 8; and,

FIG. 14 is a right side elevation view of FIG. 8.

The broken lines shown in the drawings illustrate portions of the pair of emergency vehicle signal devices that form no part of the claimed design. 

CLAIM The ornamental design for a pair of emergency vehicle signal devices, as shown and described. 